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SPF to FTK: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Fort Knox (Godman Army Air Field)
1,028 mi
1,655 km · 894 nm
2h 42m
estimated nonstop flight time
+2h
time difference · heading east
See live SPF→FTK fares Phone-only fares on this route — call free
Flight time details
1,028 miles nonstop takes roughly 2h 42m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- FTK — Godman Army Air Field · Fort Knox, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Near FTK
- SDF · Louisville International Standiford Field22 mi away
- LOU · Bowman Field28 mi away
- GLW · Glasgow Municipal Airport60 mi away
- FFT · Capital City Airport61 mi away
Frequently asked questions
How far is SPF from FTK?
The flight distance from Spearfish-South Dakota (SPF) to Fort Knox (FTK) is 1,028 miles (1,655 km, 894 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to FTK?
A nonstop flight takes about 2h 42m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Spearfish-South Dakota and Fort Knox?
Fort Knox is 2 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to FTK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–FTK that never appear on search engines, with no booking fees.